Cheap Flights from Boston Logan International to San Francisco International

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Compare Boston Logan International to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

Book the best San Francisco International fare with no extra fees

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Flight deals from Boston Logan International to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Boston Logan International Airport to San Francisco International Airport? If you want to travel next month, return fares start from Rs80,965. Find the lowest prices on one-way and return tickets right here.

San Francisco.Rs38,157 per passenger.Departing Wed, 4 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Wed, 4 Nov, arriving in San Francisco International.Price includes taxes and charges.From Rs38,157, select.

San Francisco.Rs38,157 per passenger.Departing Wed, 6 Jan.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Wed, 6 Jan, arriving in San Francisco International.Price includes taxes and charges.From Rs38,157, select.

San Francisco.Rs38,177 per passenger.Departing Tue, 16 Feb.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Tue, 16 Feb, arriving in San Francisco International.Price includes taxes and charges.From Rs38,177, select.

San Francisco.Rs40,010 per passenger.Departing Wed, 9 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Wed, 9 Dec, arriving in San Francisco International.Price includes taxes and charges.From Rs40,010, select.

San Francisco.Rs42,883 per passenger.Departing Tue, 27 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boston Logan International on Tue, 27 Oct, arriving in San Francisco International.Price includes taxes and charges.From Rs42,883, select.

San Francisco.Rs47,492 per passenger.Departing Tue, 10 Nov.One-way flight with jetBlue.Outbound direct flight with jetBlue departs from Boston Logan International on Tue, 10 Nov, arriving in San Francisco International.Price includes taxes and charges.From Rs47,492, select.

San Francisco.Rs48,700 per passenger.Departing Tue, 6 Oct.One-way flight with jetBlue.Outbound direct flight with jetBlue departs from Boston Logan International on Tue, 6 Oct, arriving in San Francisco International.Price includes taxes and charges.From Rs48,700, select.

San Francisco.Rs48,925 per passenger.Departing Sat, 12 Dec.One-way flight with jetBlue.Outbound direct flight with jetBlue departs from Boston Logan International on Sat, 12 Dec, arriving in San Francisco International.Price includes taxes and charges.From Rs48,925, select.

San Francisco.Rs51,846 per passenger.Departing Wed, 14 Jul.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Boston Logan International on Wed, 14 Jul, arriving in San Francisco International.Price includes taxes and charges.From Rs51,846, select.

San Francisco.Rs53,651 per passenger.Departing Wed, 17 Mar.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Boston Logan International on Wed, 17 Mar, arriving in San Francisco International.Price includes taxes and charges.From Rs53,651, select.

San Francisco.Rs54,322 per passenger.Departing Fri, 7 May.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Boston Logan International on Fri, 7 May, arriving in San Francisco International.Price includes taxes and charges.From Rs54,322, select.

San Francisco.Rs56,922 per passenger.Departing Wed, 6 Jan.One-way flight with jetBlue.Outbound direct flight with jetBlue departs from Boston Logan International on Wed, 6 Jan, arriving in San Francisco International.Price includes taxes and charges.From Rs56,922, select.

San Francisco.Rs57,138 per passenger.Departing Fri, 19 Mar.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Fri, 19 Mar, arriving in San Francisco International.Price includes taxes and charges.From Rs57,138, select.

San Francisco.Rs57,138 per passenger.Departing Thu, 15 Jul.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Thu, 15 Jul, arriving in San Francisco International.Price includes taxes and charges.From Rs57,138, select.

San Francisco.Rs57,138 per passenger.Departing Thu, 6 May.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Thu, 6 May, arriving in San Francisco International.Price includes taxes and charges.From Rs57,138, select.

San Francisco.Rs57,138 per passenger.Departing Fri, 19 Feb.One-way flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Fri, 19 Feb, arriving in San Francisco International.Price includes taxes and charges.From Rs57,138, select.

Find the cheapest month to fly from Boston Logan International to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to San Francisco International flights are currently cheapest in November.

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Direct flights from Boston Logan International to San Francisco International

Boston Logan International to San Francisco International: Alternative routes

Compare routes from Boston Logan International to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Boston to San Francisco: Flight information

The things to know before you go.

Cheapest flight found	Rs38,237
Cheapest month to fly	November
Average flight time	6 hrs, 44 mins
Most popular airline	jetBlue
Average flights per week	452

Finding cheap flights from Boston Logan International to San Francisco International: Frequently asked questions

How much are return flights from Boston Logan International to San Francisco International?

The best price we found for a return flight from Boston Logan International to San Francisco International is Rs68,036. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Boston Logan International to San Francisco International?

6 hours and 44 minutes is the average flight time from Boston Logan International to San Francisco International.

Which airlines fly direct from Boston Logan International to San Francisco International?

jetBlue, United and Air New Zealand fly direct from Boston Logan International to San Francisco International.

How many flights are there a week from Boston Logan International to San Francisco International?

As of September 2026, there are 452 flights per week flying from Boston Logan International to San Francisco International.

When is the cheapest time to fly from Boston Logan International to San Francisco International?

The cheapest month to fly from Boston Logan International to San Francisco International is usually November.

Which upcoming date is cheapest to fly from Boston Logan International Airport to San Francisco International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to San Francisco International Airport on Tuesday, 17 November 2026.

Can I get a direct flight from Boston Logan International Airport to San Francisco International Airport?

Yes – the average flight time is 6 hours and 44 minutes.

How can I find the best flight deal to San Francisco International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to San Francisco?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Boston Logan International Airport to San Francisco International with?

Currently, jetBlue and Delta offer the cheapest flight tickets to San Francisco International.

Travelling from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO): what you need to know

The average time for a direct flight from Boston Logan International Airport to San Francisco International Airport is 6 hours 45 minutes.
San Francisco is three hours behind Boston and is in the UTC-8 timezone.
Choose from 103 weekly Boston Logan International Airport to San Francisco International Airport flights. The 05:45 departure with United Airlines is the earliest you can take. JetBlue Airways operates the latest service of the day at 21:20.
Your BOS to SFO flight won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.
You can expect longer queues in popular months such as July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will help ensure a smooth travel experience.
A number of airlines offer direct flights from Boston Logan International Airport to San Francisco International Airport, so jetting off to San Francisco (and then seeing more parts of the United States!) is easy. Top carriers that fly nonstop include:
The majority of passengers choose to fly with United on this route.
United tops the rankings as the most punctual carrier for BOS to SFO flights, with 82.87% of its services landing on schedule.
We make it a breeze to book a flight with a stopover. To see your options for tickets from Boston Logan International Airport to San Francisco International Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to explore your chosen city. Worthwhile stopovers between BOS and SFO include:
- Denver International Airport
- Detroit Wayne County Airport
- Minneapolis St Paul Airport

How to find the cheapest flights from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO)

At the moment, Rs38,157 is the lowest price we've seen for a one-way Boston Logan International Airport to San Francisco International Airport flight. The best price for a return ticket is Rs68,177. Bear in mind that fares can change due to availability when booking.
To find cheap tickets from BOS to SFO, book early. Airlines typically offer their best fares when flights are first made available.
May is the cheapest month for flights from Boston Logan International Airport to San Francisco International Airport. If you want to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for each month.
Cut down on the time spent looking for cheap flights from BOS to SFO by setting up a Price Alert. We'll send you an email or push notification on the app when a special offer becomes available.
Tailor your trip using filters. Select your arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Boston Logan International Airport to San Francisco International Airport.

Handy information about Boston Logan International Airport (BOS)

BOS's address is One Harborside Drive.
When it comes to Boston Logan International Airport's on-time performance, data shows 75% of flights complete their journey on time.
Central Boston to Boston Logan International Airport is approximately 8 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, catching a taxi or ride-sharing.
The trip on public transport usually takes 25 minutes.
Taking an early flight from Boston Logan International Airport to San Francisco International Airport? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels close to BOS:

Arriving at San Francisco International Airport (SFO)

If you're getting in on a late Boston Logan International Airport to San Francisco International Airport flight, nothing beats the convenience of staying near the terminal. Collect your bags from the carousel and then be resting shortly after at one of these accommodation options near SFO:
Grab a San Francisco International Airport rental car and explore San Francisco and beyond with your own wheels. Dollar, Thrifty and Hertz are top providers to choose from here.
To lock in the lowest price, book your ride from San Francisco International Airport about one week before you set off.

Getting from San Francisco International Airport (SFO) to central San Francisco

San Francisco International Airport is roughly 21 kilometres from the centre of San Francisco. Driving there takes about 25 minutes.
If you're travelling by public transport, expect a journey of around 35 minutes.

When to fly to San Francisco International Airport (SFO)

July is the busiest month for flights from Boston Logan International Airport to San Francisco International Airport. To avoid the crowds, travel to San Francisco in March.
Book your flight from Boston Logan International Airport to San Francisco International Airport for September if you'd like to visit San Francisco during its warmest month. You can expect temperatures of between 12ºC and 24ºC.
Look for cheap tickets from BOS to SFO in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 5ºC and 16ºC on average.

Explore more of the United States

San Francisco is always a good idea, but there are so many other corners of the United States you'll want to see. About 64 kilometres south-east of San Francisco, a trip to San Jose will fill your itinerary to the brim. Start with leading sights like Winchester Mystery House, The Tech Interactive and Santa Clara Valley.
If you're ready to explore another corner of the United States, head for Fresno, about 257 kilometres south-east of San Francisco. Forestiere Underground Gardens, Shinzen Japanese Garden and Fresno Chaffee Zoo are among its highlights.